You can install OpenSearch on Debian GNU/Linux 11 by following the instructions in a tutorial that Howtoforge has posted.
How to Install OpenSearch on Debian 11
OpenSearch is a community-driven project by Amazon and a fork of Elasticsearch and Kibana. it's a fully open-source search engine and analytics suite with rich features and innovative functionality. The OpenSearch project's main component is OpenSearch (a fork of Elasticsearch) and the OpenSearch Dashboards (a fork of Kibana). Both components provide features such as enterprise security, alerting, machine learning, SQL, index state management, and more.
